Вы README почитайте.Там проблемы с картами Nvidia совместно с XP:
TROUBLESHOOTING:
Windows XP + nVIDIA based cards (possibly other brands):
We have found a possible problem with Windows XP that manifests itself
as graphical problems both in the game menu and also during game play.
We have traced this problem to be a Windows XP problem.
Technically this problem is solved by the use of a newer version of
d3d8.dll than is shipped on CD with Windows XP. (The version on the
Windows XP CD that has problems is 5.1.26000.0 – versions tested
without error include 5.1.2600.15 and 5.1.2600.29)
Currently the only way we know to update this dll file is to install
the Windows XP Patch: “The Computer Cannot Enter Standby or Hibernate
If a Direct3D-Based Screen Saver Is Running (Q306676)” downloadable
from the following Web Site:
http://download.microsoft.com/download/whistler/Patch/Q306676/WXP/EN-
US/Q306676_WXP_SP1_x86_ENU.exe.
This update may in the future be available as part of an official
Windows XP Service Pack, a Windows XP Compatibility Update, or possibly
a DirectX 8.1 update.
Нужно скачать сервиспак к XP. Качайте здесь:
http://www.microsoft.com/downloads/search.aspx?displaylang=ru&categoryid=7
файл называется Q306676_WXP_SP1_x86_RUS.exe
У кого XP на английском-качайте английский файл- ссылка на него выше,прямо в README.